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123248332304656 = 241319291672964283
BaseRepresentation
bin11100000001011111111101…
…000100001111000100010000
3121011101102111012002110120121
4130001133331010033010100
5112123300041032222111
61114043300251320024
734650253366203406
oct3401377504170420
9534342435073517
10123248332304656
11362a8362565a19
12119a6429150014
1353a0363670180
1422613730a1476
15e3ae8a591871
hex7017fd10f110

123248332304656 has 160 divisors (see below), whose sum is σ = 280052731728000. Its totient is φ = 52027764977664.

The previous prime is 123248332304507. The next prime is 123248332304701. The reversal of 123248332304656 is 656403233842321.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1917245091 + ... + 1917309373.

It is an arithmetic number, because the mean of its divisors is an integer number (1750329573300).

Almost surely, 2123248332304656 is an apocalyptic number.

123248332304656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123248332304656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140026365864000).

123248332304656 is an abundant number, since it is smaller than the sum of its proper divisors (156804399423344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123248332304656 is a wasteful number, since it uses less digits than its factorization.

123248332304656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81081 (or 81075 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 123248332304656 in words is "one hundred twenty-three trillion, two hundred forty-eight billion, three hundred thirty-two million, three hundred four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 13 16 19 26 29 38 52 58 76 104 116 152 208 232 247 304 377 464 494 551 754 988 1102 1508 1976 2204 3016 3952 4408 6032 7163 8816 14326 16729 28652 33458 57304 64283 66916 114608 128566 133832 217477 257132 267664 317851 434954 485141 514264 635702 835679 869908 970282 1028528 1221377 1271404 1671358 1739816 1864207 1940564 2442754 2542808 3342716 3479632 3728414 3881128 4132063 4885508 5085616 6306833 6685432 7456828 7762256 8264126 9217679 9771016 12613666 13370864 14913656 15877901 16528252 18435358 19542032 24234691 25227332 29827312 31755802 33056504 35419933 36870716 48469382 50454664 63511604 66113008 70839866 73741432 96938764 100909328 119829827 127023208 141679732 147482864 193877528 239659654 254046416 283359464 387755056 460459129 479319308 566718928 920918258 958638616 1075390307 1841836516 1917277232 2150780614 3683673032 4301561228 7367346064 8603122456 13980073991 17206244912 20432415833 27960147982 31186318903 40864831666 55920295964 62372637806 81729663332 111840591928 124745275612 163459326664 223681183856 249490551224 265621405829 326918653328 405422145739 498981102448 531242811658 592540059157 810844291478 1062485623316 1185080118314 1621688582956 2124971246632 2370160236628 3243377165912 4249942493264 4740320473256 6486754331824 7703020769041 9480640946512 15406041538082 30812083076164 61624166152328 123248332304656